// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_MOUSE_WHEEL_RAILS_FILTER_MAC_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_MOUSE_WHEEL_RAILS_FILTER_MAC_H_

#include "content/common/content_export.h"
#include "third_party/WebKit/public/platform/WebMouseWheelEvent.h"
#include "ui/gfx/geometry/vector2d_f.h"

namespace content {

class CONTENT_EXPORT MouseWheelRailsFilterMac {
public:
    MouseWheelRailsFilterMac();
    ~MouseWheelRailsFilterMac();
    blink::WebInputEvent::RailsMode UpdateRailsMode(
        const blink::WebMouseWheelEvent& event);

private:
    gfx::Vector2dF decayed_delta_;
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_MOUSE_WHEEL_RAILS_FILTER_MAC_H_
